Buy 3, pay for 2 — use code TRIPLEUS at checkout. Get a 5% discount with the coupon WELCOME5 Used books by John Feltwell from $20.74 | HamelynJohn Feltwell is a renowned naturalist whose career spans disciplines such as zoology, ecology, and lepidopterology. His prolific writing career includes the publication of 53 works exploring topics as diverse as history and nature. Beyond his scientific work, Feltwell stands out as a photographer, capturing the essence of the natural world in his images. He is the author of the popular work Dinosaurs and how they lived, a benchmark in juvenile literature about the prehistoric world. His interest in popular science has led him to write about fascinating subjects such as butterflies and the creation of miniature books.